JPH0245404Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a door device that opens and closes an entrance by running in a direction parallel to the surface of an entrance formed in a wall, and in particular, a door device that can be locked and unlocked by operating a handle. Regarding.

In general, the door devices installed at the entrances and exits of vaults are solidly made to prevent theft and fire.
Due to its weight, it is not easy to move it directly by hand. Furthermore, when moving the door device manually, manual locking, unlocking, and automatic locking are required depending on the fully opened, partially opened/closed, and fully closed states to prevent damage to the door device and to ensure the safety of the operator.

This invention maintains anti-theft and fire-retardant properties, while also being able to release the lock by operating the handle,
To provide a door device capable of releasing a bar and disabling locking, automatic locking, and disabling barlock according to the open/closed state.

Referring to FIGS. 1 to 3, a door device 10 in the form of a single sliding door is shown, and this door device includes a door body 2 running parallel to a wall 1, and a plurality of doors provided at the bottom of the door body. Wheels 12, a plurality of guide rollers 4 provided on the top of the door body, a mechanism section 5 housed in the back side portion 2a of the door body, an operation panel 6 attached to the front side of the door body, and the operation panel. It includes a handle 7 adjacently provided on the front surface of the door body. The door body 2 consists of a back side part 2a that houses a mechanism part 5 and a front side part 2b that is filled with a fireproof material 8. Wheels 3 provided at the bottom of the door body run on rails 9a fixed to the floor 9, as shown in FIG. The door body 2 is configured to roll in contact with both sides of a groove 1a formed in the upper part of the door body 2, thereby preventing the door body 2 from falling forward or backward. The operation panel 6 attached to the front of the door body has a bar handle 11 and a cylinder lock 1.
2 and a combination lock 13 are respectively attached.

Referring to FIG. 4, a locking device 14 for disabling the door body 2 and a handle 7 for operating the locking device 14 are shown. The push rod 15 is slidably disposed within a tubular member 16 attached to the front side portion 2b so as to penetrate the front side portion 2b of the door body 2 and protrude into the inside of the back side portion 2a, and is normally attached to a compression spring (see Fig. (not shown) is pushed forward from the handle 7. The forward protrusion of the push rod 15 from the handle 7 is limited by a collar 15a attached to one end of the push rod 15. The locking device 14 is attached to a flange 1 fixed to the partition wall 2c of the door body 2.
7. An L-shaped actuation member 18 pivotally connected to the flange by a pivot 17a; a lock actuation member 19 pivotally connected to the actuation member by a pivot 18a;
and a lock member 20 secured to the lock actuating member. The locking member 20 is pressed upwardly by a compression spring (not shown) and the handle 7
By operating the push rod 15, the push rod 15 is engaged with a recess 1c formed in the ceiling wall 1b (FIG. 5). Here, the recesses are provided at two positions that align with the locking member 20 when fully opened and fully closed.

Referring to FIGS. 6 and 7, a locking device 21 is shown, which is connected to a locking member 23 which is horizontally movably supported by a stud 22 fixed to the door body 2. A rod 25 rotatably supported by a pair of fixed upper and lower flanges 24, a first lever 28 fixed to the rod and driven by a stud 27 on the end 2b of the bar actuating member 23, and the first lever 28. a pair of second levers 29 fixed to the rod 25 at right angles to the first lever 28;
A metal fitting 32 which fixes a stud 30 driven by the door body and is movably supported by a pair of guide studs 31 of the door body in a direction perpendicular to the opening/closing direction of the door body, and a bar member 33 fixed to the metal fitting.
including. The first and second levers are formed with elongated holes 28a and 29a for receiving the stud 27 of the bar actuating member 23 and the stud 30 of the metal fitting 32, respectively. Similarly, the metal fitting 32 is also formed with an elongated hole 32a that receives the guide stud 20 and limits the range of movement of the barb member 33.

In FIG. 7, the back plate 2d of the door body 2 is removed and the door body 2 is shown in the middle of opening. Actuating part 12 of the known type of cylinder lock 12
a is a locking member 23a fixed to the bar operating member 23;
The locking member 23 cooperates with the locking member 23 to lock and release the locking member 23. An actuating portion 13a of the known type of combination lock 13 cooperates with a first notch 23b formed in the bar actuating member 23 to lock and release the bar actuating member 23. Pivot 11 of bolt handle 11
The handle lever 11b fixed to the handle lever 11b engages with a stud 23c fixed to the end of the barlet actuating member 23 to move the barlet actuating member left and right in FIG.

An interlocking mechanism 34 that interlocks the locking device 14 and the locking device 21 includes a closing abutment member 35 that abuts the left side wall 1d when the door body is completely closed, and an opening abutment member 35 that abuts the right side wall 1e when the door body is completely opened. a connecting member 36, pivotably attached to a pivot 37a fixed to the door body 2, and an interlocking lever 37, fixed to the door body, pivotally attached to the closing abutment member and the opening abutment member at 35a and 36a, respectively; It includes an L-shaped lever 38 pivotally supported by a pivot 38 and a locking lever 39 pivotally connected to said L-shaped lever at 38a. The open abutment member 36 is formed with a cutout 36b near one end, which cutout is adapted to engage the lock actuating member 19 of the locking device 14. The closing abutment member 35 is pivotally connected to an interlocking lever 37 at a position 35a in the middle of its length and to an L-shaped lever 38 at a position 35b at one end thereof. The locking lever 39 is guided by a guide flange 40 fixed to the door body so that it can engage and disengage from the notch 23d of the bar operating member 23. The torsion spring 41 is connected to the locking member 20 and the opening abutment member 36, and presses the tip of the opening abutment member 36 so as to always protrude from the door body, thus pushing the tip of the closing abutment member 35. A force is applied to both of these elements to cause them to protrude from the door body and to move the locking lever 39 upward.
In the arrangement shown in FIG. 7, the notch 36b of the opening collision member 36 is formed in the opening collision member 36 close to the handle lever 11b for the bolt, and the locking device 14 is also formed near the handle lever 11b. The push rod of the locking device 14 can also be provided on the lock handle.

FIG. 8 shows an enlarged part of FIG. 7, and the door body 2 is in the middle of opening.

Referring to FIG. 9, the door body 2 is in a completely open state, and the open abutment member 36 is on the right side wall 1e.
and is moved to the right in FIG.
Therefore, the lock actuating member 1 of the locking device 14
9 is constantly pressed upward by a compression spring (not shown), so that the notch 36 of the open impact member 36
b, and the locking member 20 is engaged with the recess 1c of the ceiling wall 1b to lock the movement of the door body 2.
In the fully open state shown in FIG. 9, the interlocking lever 37
rotates clockwise around pivot 37a,
It should be noted that the locking lever 3 is worked into the notch 23d of the bar actuating member 23 via the L-shaped lever 38, but is not removed from the notch. Therefore, when the door body 2 is in the middle of opening as shown in FIG. 8 or in the fully opened state as shown in FIG. 9, it becomes impossible to operate the bolt handle 11 to lock the door. This is because if the door is bolted while the door is being opened or when it is fully opened, it will damage the wall.

In FIG. 10, the door body 2 is in the completely closed position, and the closing impact member 35 hits and is pushed against the left side wall 1d, causing the interlocking lever 37 to rotate clockwise. As a result, the opening abutment member 36 is moved to the right in FIG. 10, causing the lock actuating member 19 to enter the notch 36b. Movement of the closing abutment member 35 to the left (in FIG. 10) is effected by the L-shaped lever 3.
8 in the counterclockwise direction, the locking lever 39 is lowered, and the locking member 23 is released. As a result, it becomes possible to operate the bolt handle 11 to lock the bolt. Here, the respective movement ranges of the opening impact member 36 and the closing impact member 35 and the position of the pivot 37a of the interlocking lever 37 are different from the locking lever 3.
9 is in the fully open state shown in FIG.
It should be noted that the dimensional relationship is such that it does not come out of engagement with the notch 23d of No. 3, but separates from the notch 23d in the fully closed state shown in FIG.

Referring to FIGS. 11-13, variations of the handle for operating the locking device are shown. In FIG. 11, the locking device is released by squeezing the handle 7a and handle operating member 15a together, and in FIG. 12, the locking device is released by pushing down the handle operating member 15b against the handle 7b. In FIG. 13, the locking device is released by rotating the handle 7c.

In the embodiments described above, the present invention is applied to a single-swing type door device, but it can also be applied to a double-swing type door device. In this case, the mechanism parts are provided on both door bodies, but the cylinder lock and the combination lock may be attached to one or both door bodies.

As described above, according to the present invention, the bolt operation is enabled only when the door body is in the fully closed position, and the movement of the door body is automatically locked only when the door body is in the fully closed and fully open positions. Provided is a door device that disables bar operation and travel lock when the door body is in the middle of opening and closing. Therefore,
The door device of the present invention not only has anti-theft properties and fire resistance, but also has safety due to its simple structure.

[Brief explanation of drawings]

Fig. 1 is a front view of a door device according to an embodiment of the present invention, Fig. 2 is an elevational side view of the door device of Fig. 1, Fig. 3 is a horizontal sectional view of the door device of Fig. 1, and Fig. 4 1 is an elevational sectional view of the locking device installed in the door device shown in FIG. 1, FIG. 5 is an elevational view showing the locking member of the door body and a recess in the ceiling wall, and FIG. Figure 7 is an elevational view showing the mechanical part of the door device shown in Figure 1 with the back plate removed, and Figures 8 to 10 are views showing the mechanism during opening and closing, fully open and fully closed. FIGS. 11 to 13 are perspective views showing a modification of the handle for the locking device; FIGS. In the figure, 1... wall, 2... door body, 5...
Mechanism section, 10...door device, 14...lock device,
21...barrel device, 34...interlocking mechanism.

Claims (1)

[Claims for Utility Model Registration] (1) In a door device that opens and closes an entrance by running in a direction parallel to the surface of an entrance formed in a wall,
Enables bolt operation only when the door is in the fully closed position, automatically locks door travel only when the door is in the fully closed and fully open positions, and automatically locks the door when it is in the middle of opening or closing. A door device that includes a mechanism that disables locking and locking of the bolt. (2) Utility Model Registration The door device according to claim 1, characterized in that the door handle is provided with an operating member for unlocking the movement of the door. (3) Utility Model Registration The door device according to claim 1, characterized in that an operating member for unlocking movement of the door is provided on the bar operation handle.